It’s been a year of change since Dennis Mathew assumed the CEO seat at Altice USA. Following a litany of additions to personnel and more still to come, Mathew is confident in the company’s ability to manage its subscriber base and boost its sales channel performance and marketing. It’s just the beginning of a long and arduous process, a sentiment also felt in the unfolding DirecTV-TEGNA dispute. DirecTV Chief Content Officer Rob Thun said the blackout stems from an overall issue regarding networks and affiliate station negotiations.